Home / 719,829.18-992,763.14-538,971.57

Finding the Fourth Proportional to 719,829.18, 992,763.14 and 538,971.57

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Solution

The fourth proportional to 719,829.18, 992,763.14 and 538,971.57 is: 743,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,829.18 : 992,763.14 = 538,971.57 : x
  2. Step 2: Convert to fraction form
    719,829.18/992,763.14 = 538,971.57/x
  3. Step 3: Cross multiply
    719,829.18x = 992,763.14 × 538,971.57
  4. Step 4: Simplify right side
    719,829.18x = 535,071,105,509.07
  5. Step 5: Solve for x
    x = 535,071,105,509.07/719,829.18
  6. Step 6: Final answer
    x = 743,330.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.